package com.xu.book.service;

import com.xu.book.bean.Classes;
import com.xu.sys.utils.PageUtils;

import java.util.List;

public interface IClassesService {
    void listPage(PageUtils pageUtils);
    int count(PageUtils pageUtils);
    int save(Classes entity);
    Classes findById(int id);
    int updateById(Classes entity);
    int deleteById(int id);

    List<Classes> list(Classes cls);
}

